Zhang John Z

Exec. Vice President &Ccdo | SVP&Gm Glass Innov. &Asia | SVP&Gm Display, Mce &Asia +3 more

1 company

Average

Trades Analyzed

12M Win Rate

40.0%

Avg 3M Return

-9.5%

Avg 12M Return

-29.8%

Zhang John Z is an Exec. Vice President &Ccdo at CORNING INC /NY. Recent SEC Form 4 filings include 0 buys and 10 sells.

Estimated insider holdings value: $5.7M based on current market prices.

Holdings by Company

GLWApr 15, 2026

Current Shares30.1K

Value$5.67M

Net Activity-139,720

Bought: 0Sold: 139.7K

Showing 10 filings

Date	Ticker	Role	Type	Shares	Price	Value	Chg%	3M	12M
Aug 12, 2025	GLW Corning Inc /ny	Exec. Vice President &Ccdo	Sale+OE	1,212	$65.53	$79,425.39	-100%	+34.7%	-
May 28, 2025	GLW Corning Inc /ny	Exec. Vice President &Ccdo	Sell	9,610	$49.29	$473,678.82	-100%	+36.3%	-
May 12, 2025	GLW Corning Inc /ny	Exec. Vice President &Ccdo	Sell	8,000	$46.91	$375,293.60	-45.4%	+38.3%	-
Feb 18, 2025	GLW Corning Inc /ny	SVP&Gm Glass Innov. &Asia	Sale+OE	14,111	$52.78	$744,757.41	-100%	-9.0%	+149.6%
Nov 13, 2024	GLW Corning Inc /ny	SVP&Gm Glass Innov. &Asia	Sale+OE	5,175	$48.36	$250,263.52	-100%	+11.0%	+74.5%
Aug 13, 2024	GLW Corning Inc /ny	SVP&Gm Display, Mce &Asia	Sell	12,918	$39.73	$513,206.30	-100%	+23.0%	+65.3%
May 2, 2024	GLW Corning Inc /ny	SVP&Gm Display, Mce &Asia	Sell	12,546	$33.42	$419,302.38	-52.5%	+19.2%	+36.3%
Feb 15, 2024	GLW Corning Inc /ny	SVP&Gm Display &Corning Asia	Sell	6,607	$32.02	$211,562.75	-34.5%	+9.6%	+64.0%
May 5, 2023	GLW Corning Inc /ny	Sr VP&Gm Display &Corning Asia	Sell	15,000	$31.45	$471,784.50	-54.5%	+6.6%	+7.1%
Feb 16, 2023	GLW Corning Inc /ny	Senior VP &Gm, Display	Sell	5,744	$35.52	$204,003.90	-100%	-12.8%	-9.7%